Home / 8,930.05-13,395.07-3,087.11

Finding the Fourth Proportional to 8,930.05, 13,395.07 and 3,087.11

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Solution

The fourth proportional to 8,930.05, 13,395.07 and 3,087.11 is: 4,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.05 : 13,395.07 = 3,087.11 : x
  2. Step 2: Convert to fraction form
    8,930.05/13,395.07 = 3,087.11/x
  3. Step 3: Cross multiply
    8,930.05x = 13,395.07 × 3,087.11
  4. Step 4: Simplify right side
    8,930.05x = 41,352,091.89
  5. Step 5: Solve for x
    x = 41,352,091.89/8,930.05
  6. Step 6: Final answer
    x = 4,630.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.